1984 Japan Open Tennis Championships
Date	8–14 October
Edition	11th
Surface	Hard / outdoor
Location	Tokyo, Japan
Champions
Men's singles
David Pate[1]
Women's singles
Lilian Drescher
Men's doubles
David Dowlen /Nduka Odizor[2]
Women's doubles
Betsy Nagelsen /Candy Reynolds
← 1983 · Japan Open · 1985 →

The1984 Japan Open Tennis Championships was atennis tournament played onoutdoor hard courts in Tokyo, Japan that was part of the1984 Volvo Grand Prix and the1984 Virginia Slims World Championship Series. The tournament was held from 8 October through 14 October 1984.David Pate andLilian Drescher won the singles titles.

David Pate defeatedTerry Moor 6–3, 7–5

• It was Pate's 1st singles title of his career.

Lilian Drescher defeatedShawn Foltz 6–4, 6–2

• It was Drescher' only career title.

David Dowlen /Nduka Odizor defeatedMark Dickson /Steve Meister 6–7, 6–4, 6–3

• It was Dowlen's 2nd title of the year and the 3rd of his career. It was Odizor's 2nd title of the year and the 5th of her career.

Betsy Nagelsen /Candy Reynolds defeatedEmilse Raponi-Longo /Adriana Villagrán-Reami 6–3, 6–2

• It was Nagelsen's 3rd title of the year and the 14th of her career. It was Reynolds' 3rd title of the year and the 20th of her career.

• Official website
• ATP tournament profile
• WTA tournament draws

• 1984 Grand Prix (tennis)
• 1984 Virginia Slims World Championship Series
• October 1984 sports events in Asia
• 1984 in Japanese tennis
• Japan Open (tennis)

• Articles with short description
• Short description matches Wikidata